How Many Days After Your Period Do You Ovulate?
Learn exactly when ovulation occurs in your cycle and how to calculate your fertile days.
Read article →Articles & Guides
Educational resources about ovulation, fertility, and menstrual health. Whether you're using our ovulation calculator to track your fertile window or just learning about your cycle, these evidence-based guides will help you understand your body's fertility signals and make informed decisions. Our articles are grounded in peer-reviewed research and align with guidelines from ACOG, NIH, and other leading medical organizations. Learn more about our methodology.
Start Here
New to fertility tracking? These three articles cover the essentials:
1
When Do You Ovulate?
Learn exactly when ovulation occurs relative to your period and how to calculate your fertile days for any cycle length.
2
Your Fertile Window
Understand the 6-day window when conception is possible and which days give you the highest chance of getting pregnant.
3
Signs of Ovulation
Recognize your body's natural fertility signals—from cervical mucus changes to ovulation pain and temperature shifts.
16
In-Depth Articles
Evidence-based fertility guides
6
Days in Your Fertile Window
Source: Wilcox et al., NEJM 1995
80%
Calendar Method Accuracy
Within 3-day window for regular cycles
All Articles
Browse our complete library of fertility and menstrual health guides, organized by topic:
Ovulation Basics & Timing
Fertile Window: When Are You Most Likely to Conceive?
Discover your most fertile days and the best time to try for a baby.
Read article →Signs of Ovulation: How to Know When You're Fertile
Learn to recognize the physical signs that indicate ovulation is approaching.
Read article →How Long After Ovulation Does Your Period Start?
Understanding the luteal phase and what it means for your cycle.
Read article → Understanding Your Cycle
Understanding Your Menstrual Cycle and Ovulation
A complete guide to the four phases of your menstrual cycle and how they affect fertility.
Read article →The 4 Phases of Your Menstrual Cycle Explained
Understand the menstruation, follicular, ovulation, and luteal phases and what happens in each.
Read article →Ovulation With Irregular Periods: How to Calculate
Tips and methods for tracking ovulation when your cycles aren't predictable.
Read article →Irregular Periods and Ovulation: A Complete Guide
How to track ovulation when your periods are irregular, including causes and practical strategies.
Read article → Tracking Methods & Tools
Basal Body Temperature and Ovulation Tracking
How to use BBT charting to confirm ovulation and identify your fertile pattern.
Read article →Cervical Mucus and Fertility: What to Look For
Learn how cervical mucus changes throughout your cycle and what it tells you about fertility.
Read article →OPK Ovulation Predictor Kits: Complete Guide
Everything you need to know about ovulation predictor kits, including when and how to use them.
Read article →Clearblue Ovulation Calculator Guide
How to use Clearblue ovulation tests and interpret the results.
Read article →Best Fertility Tracker Apps Compared
A comparison of popular fertility and ovulation tracking apps.
Read article → Pregnancy & Medical Guidance
Due Date Calculator Based on Ovulation Date
Calculate your estimated due date using your ovulation date for more accuracy.
Read article →Due Date Calculation Methods Compared
Compare different ways to calculate your estimated due date: LMP, ovulation, and ultrasound methods.
Read article →When to See a Fertility Specialist
Guidelines on when to seek professional fertility help based on your age and circumstances.
Read article →Learning Paths
Not sure where to start? Follow one of these guided reading paths based on your goals:
Trying to Conceive
The essential reading path for couples actively trying to get pregnant.
Understanding Your Cycle
Build a solid understanding of your menstrual cycle and reproductive health.
Tracking Methods
Compare and master different ovulation tracking methods and tools.
Trusted Sources We Reference
Our articles are informed by guidance from these leading medical organizations and peer-reviewed research:
Ready to Calculate Your Fertile Days?
Use our free ovulation calculator to predict your ovulation date, fertile window, and best days to conceive—no signup required.
Try the Ovulation Calculator →